3 October 1785 (Germany) — Jean-Pierre Blanchard makes the first manned balloon ascent in Germany.

3 October 1907 (USA) — A record altitude of 23,110 feet is set by a United States Weather Bureau meteorological kite.

3-6 October 1928 (USA) — Air Meet and Aircraft Show held at Albany, New York.

3 October 1967 (USA) — Major William J. Knight pilots the North American Aviation X-15 to a speed record of 4,534 mph.